The purpose of the heating, ventilation, and air conditioning (HVAC) system is to meet the environmental needs of occupant comfort. HVAC systems are more commonly used in various types of buildings such as industrial, commercial, residential, and institutional buildings.

The basic task of the HVAC system is to maintain the inhabitants' thermal comfort by managing the air temperature conditions. Air Comfort HVAC design and build services combine the optimization of a building's HVAC design and the installation of customized equipment.

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The HVAC system selection is influenced by the environment, the building's age, the building owners, the project designer, and the building's architectural design.

The basic components of an HVAC system:

The essential components or equipment of an HVAC system are listed below.

• Mixed-air plenum and outdoor air control

• Heating and cooling coils

• Terminal devices

• Return air system

• Exhaust or relief fans and an air outlet

• Outdoor air intake

• Self-contained heating or cooling unit

• Humidification and dehumidification equipment

Choosing an HVAC system: 

The building architecture, temperature conditions, and the owner's desire all play a role in system selection. Climate change (e.g., temperature, humidity, and space pressure), building capacity, cost (capital, operating, and maintenance costs), life cycle analysis, and reliability and adaptability are some of the variables that might be evaluated.

However, there are several limits to consider while choosing a system. The available capacity according to standards, building configuration, available space, construction budget, available utility source, and heating and cooling building loads are all examples.

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